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09/02/12 4:21 PM ET

Gibson considering reordering D-backs rotation

LOS ANGELES -- D-backs manager Kirk Gibson is mulling his options when it comes to the Arizona starting rotation.

With an off-day Thursday, Gibson has the opportunity to skip a starter, give each starter an extra day of rest or even reorder his rotation.

As it lines up right now, the D-backs have two righties at the top in Ian Kennedy and Trevor Cahill, followed by three young left-handers in Tyler Skaggs, Wade Miley and Patrick Corbin.

"I'm very curious about whether we should split the righties up and split the lefties up more than the one spot there," Gibson said. "But with the lefties together it's worked OK. They've thrown pretty good."

Having three lefties in a rotation these days is a bit unusual and there is no way to prevent at least one instance each time through where there will be back-to-back southpaws.

"You can look at the numbers part of it and many teams and players have great numbers against lefties," Gibson said. "Our lefties hold their own. They do pretty well against righties."

Corbin, Kennedy and Cahill will start in the Giants series starting Monday and, if Gibson elects to stay in rotation, then Skaggs, Miley and Corbin would face the Padres in San Diego.

No harm, no foul: Montero in lineup after big collision

LOS ANGELES -- Less than 24 hours after a jarring collision at the plate, D-backs catcher Miguel Montero was in the starting lineup and bouncing around the dugout prior to Sunday batting practice.

"I feel good, man," Montero said.

Any soreness he felt was just normal day-to-day aches that come with catching and not as a result of Dodgers outfielder Shane Victorino running him over in the eighth inning Saturday night.

Victorino was attempting to score on a fly ball to right, but Justin Upton's throw was on target and Montero blocked the plate. Despite the collision, Montero was able to hang onto the ball.

"He's fine," manager Kirk Gibson said. "I guess the biggest thing is his shoulder came up into his mask and jammed his mask against his face."

Getting Montero out of the lineup is never an easy task. A high-energy individual, Montero hates to just sit around. He was especially adamant about not missing any of the four games against the Dodgers.

"We made a pact last week that if he took Wednesday off he'd get to play these games," Gibson said. "I told him Wednesday I might sit him today. I just worry about whether you're pushing him too hard, but he's prepared for it. I expect him to catch these and to catch all the games in San Francisco as well, and then get the off-day."

Worth noting

• Justin Upton was back in the No. 3 spot in the lineup Sunday after hitting a long home run to left field Saturday night. Once a staple in that slot, Upton had been hitting fifth more often than not since mid-July.

"I feel like he's swinging the bat good right now," D-backs manager Kirk Gibson said. "I kind of want him in front of [Jason] Kubel. His on-base has been good. Get him on base and get that hole open. Kubel seems to be pulling some balls through that hole, and maybe influence him to get some more fastballs."

• According to the Elias Sports Bureau, the D-backs' rotation of Ian Kennedy (27 years old), Wade Miley (25), Trevor Cahill (24), Patrick Corbin (23) and Tyler Skaggs (21) is the youngest in the Majors.

• Closer J.J. Putz has not allowed a run in his last 24 appearances, a span of 23 2/3 innings. The right-hander has converted 19 straight saves, third-longest active streak in the Majors behind Aroldis Chapman of the Reds and Huston Street of the Padres.

Steve Gilbert is a reporter for MLB.com. Follow him on Twitter @SteveGilbertMLB. This story was not subject to the approval of Major League Baseball or its clubs.